Vent unit for air delivery adapter for respiratory mask



FIG. 1 is a front perspective view of a vent unit for air deliveryadapter for respiratory mask showing a first embodiment of our newdesign;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a left side view thereof;

FIG. 7 is a right side view thereof;

FIG. 8 is a rear perspective view thereof;

FIG. 9 is a front perspective view of a vent unit for air deliveryadapter for respiratory mask showing a second embodiment of our newdesign;

FIG. 10 is a front view thereof;

FIG. 11 is a rear view thereof;

FIG. 12 is a top view thereof;

FIG. 13 is a bottom view thereof;

FIG. 14 is a left side view thereof;

FIG. 15 is a right side view thereof; and,

FIG. 16 is a rear perspective view thereof.

The broken lines illustrate portions of the vent unit for air deliveryadapter for respiratory mask that form no part of the claimed design.

CLAIM The ornamental design for a vent unit for air delivery adapter for respiratory mask, as shown and described. 